Usage: /a/acom/atool/i/bin.linux/truepath [-s | -p] [<path>]...
With no args, prints true path of curr. working dir.
With -s, shows path of soft link instead of object.
With -p, shows possible path for new file (ignores -s).
The truepaths for <path>... are printed one per line.
Aborts with msg to stderr if not found or other error.